Contact Us

Ohio Drill & Tool Company
23255 Georgetown Rd.

P.O. Box 154 
Homeworth, OH 44634
(330) 525-7717

(800) 826-5237
Fax: (330) 525-5432

 

Fast Spiral Jobber Drills

High helix drills were developed with a wide flute to promote chip removal in low tensil materials, such as aluminum and other soft material. They are beneficial in deep hole drilling applications. 118 deg. standard point.

Wire Gauge Sizes
catalog page: 10
Size Part Number Decimal Equivalent Overall Length Flute Length
1 512801 .2280 3-7/8 2-5/8
2 512802 .2210 3-7/8 2-5/8
3 512803 .2130 3-3/4 2-1/2
4 512804 .2090 3-3/4 2-1/2
5 512805 .2055 3-3/4 2-1/2
6 512806 .2040 3-3/4 2-1/2
7 512807 .2010 3-5/8 2-7/16
8 512808 .1990 3-5/8 2-7/16
9 512809 .1960 3-5/8 2-7/16
10 512810 .1935 3-5/8 2-7/16
11 512811 .1910 3-1/2 2-5/16
12 512812 .1890 3-1/2 2-5/16
13 512813 .1850 3-1/2 2-5/16
14 512814 .1820 3-3/8 2-3/16
15 512815 .1800 3-3/8 2-3/16
16 512816 .1770 3-3/8 2-3/16
17 512817 .1730 3-3/8 2-3/16
18 512818 .1695 3-1/4 2-1/8
19 512819 .1660 3-1/4 2-1/8
20 512820 .1610 3-1/4 2-1/8
21 512821 .1590 3-1/4 2-1/8
22 512822 .1570 3-1/8 2
23 512823 .1540 3-1/8 2
24 512824 .1520 3-1/8 2
25 512825 .1495 3 1-7/8
26 512826 .1470 3 1-7/8
27 512827 .1440 3 1-7/8
28 512828 .1405 2-7/8 1-3/4
29 512829 .1360 2-7/8 1-3/4
30 512830 .1285 2-3/4 1-5/8
31 512831 .1200 2-3/4 1-5/8
32 512832 .1160 2-3/4 1-5/8
33 512833 .1130 2-5/8 1-1/2
34 512834 .1110 2-5/8 1-1/2
35 512835 .1100 2-5/8 1-1/2
36 512836 .1065 2-1/2 1-7/16
37 512837 .1040 2-1/2 1-7/16
38 512838 .1015 2-1/2 1-7/16
39 512839 .0995 2-3/8 1-3/8
40 512840 .0980 2-3/8 1-3/8
41 512841 .0960 2-3/8 1-3/8
42 512842 .0935 2-1/4 1-1/4
43 512843 .0890 2-1/4 1-1/4
44 512844 .0860 2-1/8 1-1/8
45 512845 .0820 2-1/8 1-1/8
46 512846 .0810 2-1/8 1-1/8
47 512847 .0785 2 1
48 512848 .0760 2 1
49 512849 .0730 2 1
50 512850 .0700 2 1
51 512851 .0670 2 1
52 512852 .0635 1-7/8 7/8
53 512853 .0595 1-7/8 7/8
54 512854 .0550 1-7/8 7/8
55 512855 .0520 1-7/8 7/8
56 512856 .0465 1-3/4 3/4
57 512857 .0430 1-3/4 3/4
58 512858 .0420 1-5/8 11/16
59 512859 .0410 1-5/8 11/16
60 512860 .0400 1-5/8 11/16
61 512861 .0390 1-5/8 11/16
62 512862 .0380 1-1/2 5/8
63 512863 .0370 1-1/2 5/8
64 512864 .0360 1-1/2 5/8
65 512865 .0350 1-1/2 5/8
66 512866 .0330 1-3/8 1/2
67 512867 .0320 1-3/8 1/2
68 512868 .0310 1-3/8 1/2
69 512869 .0292 1-3/8 1/2
70 512870 .0280 1-1/4 3/8
71 512871 .0260 1-1/4 3/8
72 512872 .0250 1-1/8 5/16
73 512873 .0240 1-1/8 5/16
74 512874 .0225 1 1/4
75 512875 .0210 1 1/4
76 512876 .0200 7/8 3/16
77 512877 .0180 7/8 3/16
78 512878 .0160 7/8 3/16
79 512879 .0145 3/4 3/16
80 512880 .0135 3/4 3/16
Fractional Sizes
catalog page: 9
Size Part Number Decimal Equivalent Overall Length Flute Length
1/64 511001 .0156 3/4 3/16
1/32 511002 .0313 1-3/8 1/2
3/64 511003 .0469 1-3/4 3/4
1/16 511004 .0625 1-7/8 7/8
5/64 511005 .0781 2 1
3/32 511006 .0938 2-1/4 1-1/4
7/64 511007 .1094 2-5/8 1-1/2
1/8 511008 .1250 2-3/4 1-5/8
9/64 511009 .1406 2-7/8 1-3/4
5/32 511010 .1563 3-1/8 2
11/64 511011 .1719 3-1/4 2-1/8
3/16 511012 .1875 3-1/2 2-5/16
13/64 511013 .2031 3-5/8 2-7/16
7/32 511014 .2188 3-3/4 2-1/2
15/64 511015 .2344 3-7/8 2-5/8
1/4 511016 .2500 4 2-3/4
17/64 511017 .2656 4-1/8 2-7/8
9/32 511018 .2813 4-1/4 2-15/16
19/64 511019 .2969 4-3/8 3-1/16
5/16 511020 .3125 4-1/2 3-3/16
21/64 511021 .3281 4-5/8 3-5/16
11/32 511022 .3438 4-3/4 3-7/16
23/64 511023 .3594 4-7/8 3-1/2
3/8 511024 .3750 5 3-5/8
25/64 511025 .3906 5-1/8 3-3/4
13/32 511026 .4063 5-1/4 3-7/8
27/64 511027 .4219 5-3/8 3-15/16
7/16 511028 .4375 5-1/2 4-1/16
29/64 511029 .4531 5-5/8 4-3/16
15/32 511030 .4688 5-3/4 4-5/16
31/64 511031 .4844 5-7/8 4-3/8
1/2 511032 .5000 6 4-1/2
Letter Sizes
catalog page: 9
Size Part Number Decimal Equivalent Overall Length Flute Length
A 513901 .2340 3-7/8 2-5/8
B 513902 .2380 4 2-3/4
C 513903 .2420 4 2-3/4
D 513904 .2460 4 2-3/4
E 513905 .2500 4 2-3/4
F 513906 .2570 4-1/8 2-7/8
G 513907 .2610 4-1/8 2-7/8
H 513908 .2660 4-1/8 2-7/8
I 513909 .2720 4-1/8 2-7/8
J 513910 .2770 4-1/8 2-7/8
K 513911 .2810 4-1/4 2-15/16
L 513912 .2900 4-1/4 2-15/16
M 513913 .2950 4-3/8 3-1/16
N 513914 .3020 4-3/8 3-1/16
O 513915 .3160 4-1/2 3-3/16
P 513916 .3230 4-5/8 3-5/16
Q 513917 .3320 4-3/4 3-7/16
R 513918 .3390 4-3/4 3-7/16
S 513919 .3480 4-7/8 3-1/2
T 513920 .3580 4-7/8 3-1/2
U 513921 .3680 5 3-5/8
V 513922 .3770 5 3-5/8
W 513923 .3860 5-1/8 3-3/4
X 513924 .3970 5-1/8 3-3/4
Y 513925 .4040 5-1/4 3-7/8
Z 513926 .4130 5-1/4 3-7/8
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